How do I pay off 3 credit cards with the snowball method?
Sort your three cards from smallest to largest balance. Pay the minimum on all three and put every extra dollar on the smallest card; when it is paid off, add its whole payment to the second card, then add both to the third. Keep your total monthly payment the same the whole time. In our example, $500 a month clears $8,500 of card debt in 21 months instead of 84.
Step by step for three cards
- Get the numbers from each statement: balance, APR and minimum payment. Write them down in one place.
- Decide one fixed monthly total you can pay every month, for example $500. It must be at least the sum of the three minimums.
- Stop using the three cards. Take them out of your wallet and remove them from online shops and payment apps.
- Order the cards by balance: Card 1 = smallest, Card 2 = middle, Card 3 = largest. Ignore the interest rate for the order (that is what makes it the snowball; see the note on rates below).
- Phase 1: pay the minimum on Cards 2 and 3. Everything else of your total goes to Card 1.
- Phase 2: when Card 1 is at $0, pay the minimum on Card 3 and everything else to Card 2. That is Card 2's minimum plus all of Card 1's old payment.
- Phase 3: when Card 2 is at $0, your whole monthly total goes to Card 3.
- Keep paying the original minimums. Your card issuer lowers the minimum as the balance falls. Ignore that and keep sending the amounts from step 1, or the snowball shrinks.
Worked example: $8,500 on three cards, $500 a month
Assumptions: interest is charged monthly at APR ÷ 12 on the balance and rounded to the cent; no new purchases, fees or rate changes; minimums are held at the first-statement amount ($220 in total), plus $280 extra, so $500 a month.
| Card (snowball order) | Balance | APR | Minimum | Monthly payment while it is the target | Paid off in month |
|---|---|---|---|---|---|
| Card 1 | $1,100 | 27.99% | $35 | $315 (months 1–4) | 4 |
| Card 2 | $2,600 | 21.99% | $65 | $380 (months 5–11) | 11 |
| Card 3 | $4,800 | 24.49% | $120 | $500 (months 12–21) | 21 |
In the month a card is paid off, the leftover money already flows to the next card, so the target payments overlap by a month. Result: debt-free in 21 months, $1,997.91 total interest. Paying only the same fixed minimums on each card, with no rollover, would take 84 months and cost $8,297.49 in interest.
Month-by-month balances (end of month, after payment)
| Month | Card 1 | Card 2 | Card 3 | Total |
|---|---|---|---|---|
| 1 | $810.66 | $2,582.65 | $4,777.96 | $8,171.27 |
| 2 | $514.57 | $2,564.98 | $4,755.47 | $7,835.02 |
| 3 | $211.57 | $2,546.98 | $4,732.52 | $7,491.07 |
| 4 | $0.00 | $2,430.15 | $4,709.10 | $7,139.25 |
| 5 | $0.00 | $2,094.68 | $4,685.20 | $6,779.88 |
| 6 | $0.00 | $1,753.07 | $4,660.82 | $6,413.89 |
| 7 | $0.00 | $1,405.20 | $4,635.94 | $6,041.14 |
| 8 | $0.00 | $1,050.95 | $4,610.55 | $5,661.50 |
| 9 | $0.00 | $690.21 | $4,584.64 | $5,274.85 |
| 10 | $0.00 | $322.86 | $4,558.20 | $4,881.06 |
| 11 | $0.00 | $0.00 | $4,480.01 | $4,480.01 |
| 12 | $0.00 | $0.00 | $4,071.44 | $4,071.44 |
| 13 | $0.00 | $0.00 | $3,654.53 | $3,654.53 |
| 14 | $0.00 | $0.00 | $3,229.11 | $3,229.11 |
| 15 | $0.00 | $0.00 | $2,795.01 | $2,795.01 |
| 16 | $0.00 | $0.00 | $2,352.05 | $2,352.05 |
| 17 | $0.00 | $0.00 | $1,900.05 | $1,900.05 |
| 18 | $0.00 | $0.00 | $1,438.83 | $1,438.83 |
| 19 | $0.00 | $0.00 | $968.19 | $968.19 |
| 20 | $0.00 | $0.00 | $487.95 | $487.95 |
| 21 | $0.00 | $0.00 | $0.00 | $0.00 |
Your three cards: snowball calculator
| Card | Balance ($) | APR (%) | Minimum ($) |
|---|---|---|---|
| A | |||
| B | |||
| C |
Does the order by interest rate matter?
A little. In the example, Card 3 (24.49%) costs more than Card 2 (21.99%), so paying Card 3 before Card 2 (the avalanche order) would cost $1,934.68 in interest, $63.23 less, and still finish in month 21. With rates this close, the quick win of clearing a card is usually worth more to people than $63. If one of your cards charges far more than the others, compare both orders: Debt snowball vs. avalanche: which pays off faster?
Common mistakes with three cards
- Splitting the extra money across all three. Spreading $280 evenly delays every card's payoff and removes the early win that makes the snowball work.
- Closing a card the day it hits $0. Closing it lowers your available credit, which can raise your utilization ratio on the other cards. Many people keep it open and unused; check any annual fee first.
- Missing a minimum on the non-target cards. A late payment can trigger a fee and, on many cards, a penalty APR. Set up automatic minimum payments on all three.
- Forgetting the statement timing. Pay before each card's due date, not on one day that suits the target card.
Follow-up questions
What if two cards have almost the same balance? Target the one with the higher APR first. You lose nothing on motivation and save some interest.
Should I use a balance transfer or consolidation loan instead? It can lower the rate, but check the transfer fee and when the promotional rate ends. If you move all three cards to one, the snowball no longer applies; just pay the fixed monthly total into that one account.
Is the minimum payment calculated the same way on every card? No. Issuers use different formulas, often a percentage of the balance plus interest and fees; your cardholder agreement says which one applies. That is why this plan fixes your payment in dollars instead of following the statement.
Example figures are our own calculation using the assumptions stated above. Research on why small wins help: Kellogg Insight, "To Beat Debt, Consider Starting Small".
General information, not financial advice.
Disclosure: Still Penny makes the Debt Payoff Planner, an offline browser app where you enter your debts once and see the debt-free month, the total interest and the exact month each debt is gone, for both snowball and avalanche. It costs 12.90 EUR as a one-time download on Etsy: Still Penny Debt Payoff Planner on Etsy. It is optional; the three-card calculator above is free.